null
{"customer_id": "", "items":[ ], "quantity": "", "show_primary_checkout_button": "", "show_multiple_address_shipping": "", "discount": {"value":"", "formatted": ""}, "sub_total": {"value":"", "formatted": ""}, "grand_total": {"value":"", "formatted": ""}, "coupons": [ ], "taxes":[ ], "shipping_handling": { "handling_cost": {"value":"", "formatted": ""}, "show_estimator": "", "selected_state": "", "selected_zip": "", "selected_city": "", "shipping_cost": {"value":"", "formatted": ""}, "provider": "", "show_estimator": "", "countries": [ ], "states": [ ] }, "gift_certificates":[ ]}